MS-WS302-868M
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MS-WS302-868M

On Request

This product is currently not in stock, but can be ordered upon request.

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  • Measurement range from 30 to 120 dBA
  • Accuracy of ± 3 dB; Resolution of 0,1 dB
  • Weighting, C-weighting, and fast-time weighting
  • Unit of measurement: SPL (real), Leq, and Lmax
  • Description
  • Specifications
  • Contents
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The Milesight WS302 is a LoRa sound level sensor with a built-in microphone. The WS302 not only measures a wide range of noise levels and transmits various values over the LoRaWAN® network, but also supports multiple weighting measurements for different application scenarios. Compatible with the Milesight LoRaWAN® gateway and the Milesight IoT Cloud solution, users can manage all sensor data and easily trigger other sensors or devices remotely via a web page or mobile app. WS302 is widely used in smart buildings, smart cities, schools, healthcare systems, etc..

  • Supports multiple weighting settings to adapt to different scenes: A-weighting, C-weighting, fast-weighting
  • It supports the measurement of various types of values to accurately assess sound levels: actual value, equivalent continuous value, and maximum value.
  • Equipped with an LED indicator to signal threshold alarms.
  • Over 4 years of battery life
  • Built-in NFC for easy setup
  • Compatible with standard LoRaWAN® network servers and gateways
  • Quick and easy management with the Milesight IoT Cloud solution

Wireless transmission

TechnologyLong Range Wide Area Network
AntennaInternal
Work frequencyCN470/IN865/RU864/EU868/US915/AU915/KR920/AS923-1&2&3&4
Transmission power16 dBm (868 MHz)/22 dBm (915 MHz)/19 dBm (470 MHz)
Sensitivity-137 dBm @300bps
ModeOTAA/ABP Class A

Measurement

RangeFrom 30 dBA to 120 dBA, from 35 dBC to 120 dBC.
Accuracy± 3 dB (0 °C at +45 °C)
Resolution0.1 dB
Frequency rangeFrom 30 Hz to 8 kHz
Frequency weightingWeights A and C (software-selectable)
Time weightingQuick weighting
Unit of measurementSPL (real), Leq, Lmax

User interfaces

Buttonsx1 botón de Power/Reset
LEDx1 status/alarm LED indicator

Software

On/OffMobile app via NFC or power button.
ConfigurationMobile app via NFC or downlink
Advanced functionAlarm threshold

Physical characteristics

Powerx2 replaceable batteries for litio-sociril2 ER14505 with a capacity of 2700 mAh
Battery life* (Range of 10 min, 25 °C)Fast time weighting disabled:
Approximately 5 years (SF7, EU868 and US915)
Approximately 3,3 years (SF10, EU868)
Approximately 2,4 years (SF10, US915)
Fast time weighting enabled:
Approximately 1,7 years (SF7, EU868 and US915)
Approximately 1,5 years (SF10, EU868)
Approximately 1,3 years (SF10, US915)
Working temperature-20°C to +60°C
Relative humidity≤95% (without condensation)
ProtectionIP 30
Dimensions68 × 65 × 20,5 mm (2,68 × 2,56 × 0,81 inches)
Material and colorPC + ABS, white
Weight79,1 g (batteries included)
InstallationOn flat surfaces using screws or tape 3M.
RegulationsCE, FCC, Telec, RoHS

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